Briefcase



FIG. 1 is a front perspective view of a briefcase showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof with the closure flap in an open position;

FIG. 4 is a front elevational view thereof with the closure flap in a closed configuration;

FIG. 5 is a rear elevational thereof;

FIG. 6 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines representing stitching are part of the claimed design. 

CLAIM The ornamental design for a briefcase, as shown and described. 